1.

Molecular folmula of salvarsan is

Answer»

`C_(11)H_(11)N_(3)O_(2)S`
`C_(11)H_(12)CL_(2)N_(2)O_(5)`
`C_(11)H_(12_)As_(2)N_(2)O_(2)`
C_(12)H_(13)N_(5)O_(2)S`

Answer :C


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